diff options
| author |   Suresh Siddha <suresh.b.siddha@intel.com> | 2010-08-09 17:20:33 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-09 20:45:06 -0700 |
| commit | d7a7c573936a86474c4a5090a45a4bc6e680c117 (patch) | |
| tree | 1dfe757dca1ce4302e84c5ed0fa39c63007a9c52 /arch | |
| parent | init/main.c: mark do_one_initcall* as __init_or_module (diff) | |
| download | linux-dev-d7a7c573936a86474c4a5090a45a4bc6e680c117.tar.xz linux-dev-d7a7c573936a86474c4a5090a45a4bc6e680c117.zip | |
x86, ia64, smp: use workqueues unconditionally during do_boot_cpu()
Workqueues are now initialized as part of the early_initcall(). So they
are available for use during cold boot process aswell.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/kernel/smpboot.c | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 8 |
2 files changed, 8 insertions, 15 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 1d85d8cfaa7d..d003b502a432 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -508,21 +508,18 @@ do_boot_cpu (int sapicid, int cpu) .done = COMPLETION_INITIALIZER(c_idle.done), }; + /* + * We can't use kernel_thread since we must avoid to + * reschedule the child. + */ c_idle.idle = get_idle_for_cpu(cpu); if (c_idle.idle) { init_idle(c_idle.idle, cpu); goto do_rest; } - /* - * We can't use kernel_thread since we must avoid to reschedule the child. - */ - if (!keventd_up()) - c_idle.work.func(&c_idle.work); - else { - schedule_work(&c_idle.work); - wait_for_completion(&c_idle.done); - } + schedule_work(&c_idle.work); + wait_for_completion(&c_idle.done); if (IS_ERR(c_idle.idle)) panic("failed fork for CPU %d", cpu); diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 51620953b18a..a5e928b0cb5f 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -735,12 +735,8 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu) goto do_rest; } - if (!keventd_up()) - c_idle.work.func(&c_idle.work); - else { - schedule_work(&c_idle.work); - wait_for_completion(&c_idle.done); - } + schedule_work(&c_idle.work); + wait_for_completion(&c_idle.done); if (IS_ERR(c_idle.idle)) { printk("failed fork for CPU %d\n", cpu); |